Big Data Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Big Data Interview Questions

Questions Answers Views Company eMail

Is there any benefit of learning MapReduce, then?

307

What does MLlib do?

278

Define RDD?

339

What is an "RDD Lineage"?

315

List the various types of "Cluster Managers" in Spark.

359

Define Partitions?

335

Define "Transformations" in Spark

355

What file systems Spark support?

373

Explain key features of Spark

325

What is a "Parquet" in Spark?

341

What is Spark?

294

What is a "worker node"?

354

What do you understand by worker node?

295

What are the functions of "Spark Core"?

315

Why Spark?

304

Un-Answered Questions { Big Data }

How can one copy a file into HDFS with a different block size to that of existing block size configuration?

Explain the term memtable?

Would you be able to change the block size of hdfs files?

what should be the ideal replication factor in hadoop?

701

Define Cluster?

113

What is SequenceFileInputFormat in Hadoop MapReduce?

678

Can you explain apache kafka?

570

What do you understand by mapreduce?

705

Explain the concept of bloom filter?

Can we have multiple entries in the master files?

748

What is the default extension of the files produced from a sqoop import using the –compress parameter?

Command to format the NameNode?

990

What are the key elements in ZooKeeper Architecture?

How to Rename a table in Hive

800

What is JPS? Why is it used in Hadoop?

594

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